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13803787889 = 43321018323
BaseRepresentation
bin11001101101100010…
…10001011001110001
31022122000021002011022
430312301101121301
5211232232203024
610201423025225
7666033155363
oct146661213161
938560232138
1013803787889
115943973171
122812a3b215
1313bca7ca38
1494d3dcd33
1555bcc635e
hex336c51671

13803787889 has 4 divisors (see below), whose sum is σ = 14124806256. Its totient is φ = 13482769524.

The previous prime is 13803787883. The next prime is 13803787903. The reversal of 13803787889 is 98878730831.

13803787889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13803787889 - 212 = 13803783793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13803787883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160509119 + ... + 160509204.

It is an arithmetic number, because the mean of its divisors is an integer number (3531201564).

Almost surely, 213803787889 is an apocalyptic number.

It is an amenable number.

13803787889 is a deficient number, since it is larger than the sum of its proper divisors (321018367).

13803787889 is an equidigital number, since it uses as much as digits as its factorization.

13803787889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321018366.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 13803787889 in words is "thirteen billion, eight hundred three million, seven hundred eighty-seven thousand, eight hundred eighty-nine".

Divisors: 1 43 321018323 13803787889